# DIN 7980 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable

For DIN 7980, bs standard is BS4464A; part is Spring Lock Washers with square ends for cheese head screws, verified against its source on 2026-08-05.

- **DIN standard:** DIN 7980 _(verified: appears in the quote below)_
- **BS standard:** BS4464A _(verified: appears in the quote below)_
- **Part:** Spring Lock Washers with square ends for cheese head screws _(verified: appears in the quote below)_

## What the source says

> DIN 7980 | | BS4464A | Spring Lock Washers with square ends for cheese head screws |

## Source

- https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards

Last verified: 2026-08-05. Review by: 2029-08-04.
Part of [DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable](https://referencesource.org/fastener-standard-interchangeability-exceptions/).